/**

  * @author shenruihai

  *

  */

 import java.security.MessageDigest;

 import org.apache.commons.logging.Log;

 public class Md5 {

     Log log;

     public static String getMd5(String s) {

         char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };

         try {

             byte[] strTemp = s.getBytes();

             MessageDigest mdTemp = MessageDigest.getInstance("md5");

             mdTemp.update(strTemp);

             byte[] md = mdTemp.digest();

             int j = md.length;

             char str[] = new char[j * 2];

             int k = 0;

             for (int i = 0; i < j; i++) {

                 byte byte0 = md[i];

                 str[k++] = hexDigits[byte0 >>> 4 & 0xf];

                 str[k++] = hexDigits[byte0 & 0xf];

             }

             return new String(str);

         } catch (Exception e) {

             return null;

         }

     }

     /**

      * 标准MD5加密

      *

      * @param inStr

      * @return

      * @throws Exception

      */

     public static String toMD5(String inStr) {

         StringBuffer sb = new StringBuffer();

         try {

             MessageDigest md = MessageDigest.getInstance("MD5");

             md.update(inStr.getBytes());

             byte b[] = md.digest();

             int i;

             for (int offset = 0; offset < b.length; offset++) {

                 i = b[offset];

                 if (i < 0)

                     i += 256;

                 if (i < 16)

                     sb.append("0");

                 sb.append(Integer.toHexString(i));

             }

         } catch (Exception e) {

             return null;

             //            e.printStackTrace();

         }

         return sb.toString().toUpperCase();

     }

     public static void main(String[] args) throws Exception {

         System.out.println(toMD5("MATICSOFT").toUpperCase());

     }

 }